Weft yarn storage device for jet weaving loom

Details Weft yarn storage device for jet weaving loom Weft yarn storage device for jet weaving loom

D - Textiles, Paper

03

D

139/30

D03D 47/32 (2006.01)

Patent

CA 1040067

ABSTRACT OF THE DISCLOSURE A device for storing and detaining the weft yarn coming from the measuring drum of a jet weaving loom and for freely feeding the yarn to the intermittently operating nozzle of the loom. Said storage device is operated by compressed gas and comprises an elongated chamber freely open to atmosphere at its outer end and having its inner end supported by a head member and in communication with two separate passages of said head member; namely: an inlet passage for the compressed gas and the yarn entering the chamber and an outlet passage for the yarn moving to the nozzle of the loom. The yarn is pulled into the chamber by a high velocity flow of gas surrounding the same. The gas upon entering the chamber draws external air through an air opening of the chamber and the total gas mass moves slowly towards the open end of the chamber to maintain the yarn freely floating in the chamber. The chamber has a relatively large cross-section whereby the yarn does not touch the chamber walls which remain clean. Yet the compressed gas flow required is very low. The high velocity gas flow immediately upon entering the inlet passage of the head member hits an inclined surface of the inlet passage to be diverted away from the yarn which moves along said inclined surface so that the high velocity gas flow will be in contact with the yarn over a minimum length to prevent damage thereto.

228829

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